213303232 has 14 divisors (see below), whose sum is σ = 423273728. Its totient is φ = 106651584.

The previous prime is 213303229. The next prime is 213303269. The reversal of 213303232 is 232303312.

It is a happy number.

213303232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666368 + ... + 1666495.

Almost surely, 2^213303232 is an apocalyptic number.

It is an amenable number.

213303232 is a deficient number, since it is larger than the sum of its proper divisors (209970496).

213303232 is an equidigital number, since it uses as much as digits as its factorization.

213303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332875 (or 3332865 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 213303232 is about 14604.9043817479. The cubic root of 213303232 is about 597.4925281653.

Adding to 213303232 its reverse (232303312), we get a palindrome (445606544).

The spelling of 213303232 in words is "two hundred thirteen million, three hundred three thousand, two hundred thirty-two".